01 Gmc Duramax. The Fleece Performance Duramax 10mm Stroker CP3 is a straight forward no inflated numbers CP3 upgrade proven to support 750 RWHP Fleece Performance CP3K Injection Pump 01-10 66L GM Duramax FPE-DMAX-CP3K 1500 Fleece Performance Engineering FPE-DMAX-CP3K. With an available Allison 5-speed automatic to back it up the LB7 has proven not only to be reliable but also capable of tremendous horsepower and torque gains.
50 out of 5 stars 1 rating. 2001 also introduced the Allison 1000. This engine was initially installed in 2001 Chevrolet and GMC trucks and has been an option since then in pickups vans and medium-duty trucks.
Duramax LB7 Specs Info.
With an available Allison 5-speed automatic to back it up the LB7 has proven not only to be reliable but also capable of tremendous horsepower and torque gains. The LB7 Duramax was first introduced for the 2001 model year as General Motors retired its 65L Detroit diesel. The 66-liter Duramax is produced by DMAX a joint venture between GM and Isuzu in Moraine Ohio. The Duramax block and heads are poured at The Defiance GM Powertrain foundry in Defiance County Ohio.
